CN217117913U

CN217117913U - Adjustable office chair

Info

Publication number: CN217117913U
Application number: CN202221003894.6U
Authority: CN
Inventors: 宋红兵; 刘宇丛
Original assignee: Henan Lisheng Furniture Co ltd
Current assignee: Henan Lisheng Furniture Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-05
Anticipated expiration: 2032-04-25

Abstract

The utility model belongs to the technical field of office chair and specifically relates to a adjustable office chair is related to, it include chair body and symmetry set up in a pair of handrail of chair body both sides, the handrail with be equipped with adjustment mechanism between the chair body, adjustment mechanism include fixed connection in mounting panel, the fixed connection of chair body lateral part in the mounting panel and along the fixed sleeve, the sliding connection of vertical direction extension in the fixed sleeve telescopic sleeve, set up in the connecting hole of mounting panel, pass connecting hole and threaded connection in drive lead screw in the telescopic sleeve, drive lead screw with be equipped with the axial connecting piece between the connecting hole, the handrail set up in the telescopic sleeve top. This application has the effect of being convenient for adjust the handrail.

Description

Adjustable office chair

Technical Field

The application relates to the field of office chairs, in particular to an adjustable office chair.

Background

People who work in offices can not leave the office chair, and the people need to frequently sit on the office chair for daily office work, and can feel painful at the waist or the neck after long-term sitting, so that the people need to have a proper rest at intervals, and the comfort of the office chair needs to be higher.

For example, the overall design of the office chair, particularly the curve shape of the waist, needs to be in accordance with the shape of human engineering so as to be more comfortable when sitting, and the armrests of the office chair also need to be designed specially so as to meet the requirements of the office crowd on the use requirements of combining comfort and practicality, so that the armrest of the office chair which is suitable for different crowds and can be adjusted in height is needed for daily office work.

Disclosure of Invention

In order to facilitate adjusting the handrail, this application provides an adjustable office chair.

The application provides a pair of adjustable office chair adopts following technical scheme:

the utility model provides an adjustable office chair, include chair body and symmetry set up in a pair of handrail of chair body both sides, the handrail with be equipped with adjustment mechanism between the chair body, adjustment mechanism include fixed connection in mounting panel, the fixed connection of chair body lateral part in fixed sleeve, sliding connection that the mounting panel just extends along vertical direction in telescopic sleeve in the fixed sleeve, set up in the connecting hole of mounting panel, pass connecting hole and threaded connection in drive lead screw in the telescopic sleeve, drive lead screw with be equipped with axial connecting piece between the connecting hole, the handrail set up in the telescopic sleeve top.

Preferably, the bottom end of the driving screw rod is provided with a knob.

Preferably, the axial connecting piece comprises a limiting ring groove which is arranged on the inner wall of the connecting hole and extends along the circumferential direction of the connecting hole, and a connecting ring which is fixedly connected with the circumferential wall of the driving screw rod and is rotatably connected in the limiting ring groove.

Preferably, a circumferential limiting part is arranged between the fixed sleeve and the telescopic sleeve.

Preferably, the circumference locating part is including seting up in the telescopic sleeve outer wall and along its length direction run through the spacing groove, fixed connection in the fixed sleeve inner wall and along the spacing area that its length direction extends, spacing area sliding connection in the spacing inslot.

Preferably, the top of the telescopic sleeve is hinged to the bottom of the handrail, a telescopic rod is hinged between the telescopic sleeve and the handrail, and a three-link structure is formed among the handrail, the telescopic sleeve and the telescopic rod.

Preferably, the telescopic link includes driving sleeve, first actuating lever and second actuating lever, driving sleeve inner wall both ends set up regular thread section and anti-thread section respectively, first actuating lever and second actuating lever threaded connection in regular thread section and anti-thread section respectively, first actuating lever and second actuating lever articulate respectively in telescopic sleeve outer wall with the handrail bottom.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the handrail needs to be adjusted, the telescopic sleeve in threaded connection with the driving screw rod is enabled to move along the length direction of the fixed sleeve by rotating the driving screw rod and push the handrail to lift, so that the handrail is suitable for different users, and when the handrail inclination angle needs to be adjusted, the driving sleeve is enabled to drive the first driving rod and the second driving rod to be close to or far away from each other by rotating the driving sleeve through the positive thread section and the negative thread section so as to push the handrail to turn over and adjust the inclination angle of the handrail, so that the handrail is convenient to operate by the users;

2. under the matching of the limiting ring groove and the connecting ring, the axial connection relation between the driving screw rod and the mounting plate is limited, so that the driving screw rod is more stable in the rotating process;

3. under the cooperation of spacing groove and spacing area to carry out ascending spacing in week between fixed sleeve and the telescope tube, make the drive lead screw rotate the in-process and be difficult for driving the telescope tube and follow rotatoryly, promote telescope tube lift efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a partial sectional view of the present embodiment.

Fig. 3 is a partially enlarged view of a portion a in fig. 1.

Description of reference numerals: 1. a chair body; 2. a handrail; 3. an adjustment mechanism; 4. mounting a plate; 5. fixing the sleeve; 6. a telescopic sleeve; 7. connecting holes; 8. driving the screw rod; 9. a knob; 10. an axial connector; 11. a limiting ring groove; 12. a connecting ring; 13. a circumferential limit piece; 14. a limiting groove; 15. a limiting band; 16. a telescopic rod; 17. a drive sleeve; 18. a first drive lever; 19. a second drive rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses adjustable office chair. Referring to fig. 1-3, an adjustable office chair includes a chair body 1 and a pair of armrests 2 symmetrically disposed at two sides of the chair body 1, and an adjusting mechanism 3 is disposed between the armrests 2 and the chair body 1.

Adjustment mechanism 3 includes mounting panel 4, fixed connection in mounting panel 4 of 1 seat support part lateral wall of chair body and along the fixed sleeve 5 that vertical direction extends, sliding connection in fixed sleeve 5 telescopic sleeve 6, set up in mounting panel 4's connecting hole 7, pass connecting hole 7 and threaded connection in telescopic sleeve 6 drive lead screw 8, 8 bottoms of drive lead screw are equipped with knob 9, handrail 2 sets up in 6 tops of telescopic sleeve.

Be equipped with axial connecting piece 10 between drive lead screw 8 and connecting hole 7, axial connecting piece 10 is including offering in the inner wall of connecting hole 7 and around its circumference extension spacing annular 11, fixed connection is in 8 perisporium of drive lead screw and rotate the go-between 12 of connecting in spacing annular 11, under the cooperation of spacing annular 11 and go-between 12, to prescribe a limit to the axial connection relation between drive lead screw 8 and the mounting panel 4, make drive lead screw 8 more stable at the rotation in-process.

Be equipped with circumference locating part 13 between fixed sleeve 5 and the telescope tube 6, circumference locating part 13 is including seting up in the 6 outer walls of telescope tube and along the spacing groove 14 that its length direction runs through, fixed connection is in the 5 inner walls of fixed sleeve and along the spacing area 15 that its length direction extends, 15 sliding connection in spacing groove 14 in spacing area, under spacing groove 14 and the cooperation of spacing area 15, in order to carry out ascending spacing in week between fixed sleeve 5 and the telescope tube 6, it is rotatory that the telescope tube 6 is followed to make drive lead screw 8 be difficult for driving at the rotation in-process, promote the 6 lift efficiency of telescope tube.

In order to adjust the inclination of handrail 2 for convenience, 6 tops of telescope tube articulate in 2 bottoms of handrail, it has telescopic link 16 to articulate between telescope tube 6 and the handrail 2, form three connecting rod structures between telescope tube 6 and the telescopic link 16, telescopic link 16 includes driving sleeve 17, first actuating lever 18 and second actuating lever 19, driving sleeve 17 inner wall both ends set up positive thread section and anti-thread section respectively, first actuating lever 18 and second actuating lever 19 threaded connection in positive thread section and anti-thread section respectively, first actuating lever 18 and second actuating lever 19 articulate respectively in 6 outer walls of telescope tube and 2 bottoms of handrail.

The implementation principle of the adjustable office chair in the embodiment of the application is as follows:

when handrail 2 needs to be adjusted, through rotating drive lead screw 8, make threaded connection move along 5 length direction of fixed sleeve in the telescope tube 6 of drive lead screw 8, and promote handrail 2 and go up and down, thereby be applicable to different users, and when handrail 2 inclination needs to be adjusted, through rotating drive sleeve 17, make drive sleeve 17 drive first actuating lever 18 and second actuating lever 19 through positive thread section and anti-thread section and be close to each other or keep away from each other, in order to promote handrail 2 upset, adjust handrail 2's inclination, convenient to use person's operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An adjustable office chair which is characterized in that: comprises a chair body (1) and a pair of armrests (2) symmetrically arranged at two sides of the chair body (1), an adjusting mechanism (3) is arranged between the armrest (2) and the chair body (1), the adjusting mechanism (3) comprises a mounting plate (4) fixedly connected with the side part of the chair body (1), a fixed sleeve (5) fixedly connected with the mounting plate (4) and extending along the vertical direction, a telescopic sleeve (6) connected in the fixed sleeve (5) in a sliding manner, a connecting hole (7) formed in the mounting plate (4), and a driving screw rod (8) passing through the connecting hole (7) and connected in the telescopic sleeve (6) in a threaded manner, an axial connecting piece (10) is arranged between the driving screw rod (8) and the connecting hole (7), and the handrail (2) is arranged at the top of the telescopic sleeve (6).

2. The adjustable office chair of claim 1, wherein: and a knob (9) is arranged at the bottom end of the driving screw rod (8).

3. The adjustable office chair of claim 1, wherein: axial connecting piece (10) including set up in connecting hole (7) inner wall and around its circumference extension spacing annular (11), fixed connection in drive lead screw (8) perisporium and rotate connect in go-between (12) in spacing annular (11).

4. The adjustable office chair of claim 1, wherein: a circumferential limiting piece (13) is arranged between the fixed sleeve (5) and the telescopic sleeve (6).

5. The adjustable office chair of claim 4, wherein: the circumference locating part (13) including set up in telescopic sleeve (6) outer wall and along its length direction run through spacing groove (14), fixed connection in fixed sleeve (5) inner wall and along its length direction extended spacing area (15), spacing area (15) sliding connection in spacing groove (14).

6. The adjustable office chair of claim 1, wherein: the top of the telescopic sleeve (6) is hinged to the bottom of the handrail (2), a telescopic rod (16) is hinged between the telescopic sleeve (6) and the handrail (2), and a three-connecting-rod structure is formed among the handrail (2), the telescopic sleeve (6) and the telescopic rod (16).

7. The adjustable office chair of claim 6, wherein: the telescopic link (16) comprises a driving sleeve (17), a first driving rod (18) and a second driving rod (19), wherein a positive thread section and a negative thread section are arranged at two ends of the inner wall of the driving sleeve (17) respectively, the first driving rod (18) and the second driving rod (19) are in threaded connection with the positive thread section and the negative thread section respectively, and the first driving rod (18) and the second driving rod (19) are hinged to the outer wall of the telescopic sleeve (6) and the bottom of the handrail (2) respectively.